21000586012

素因数分解:

$2^2\times 7^2\times {\mathrm{313}}^1\times {\mathrm{342319}}^1$

素因数の和:342650

約数の個数: 36

約数和(自身を含む): 42887903520

約数和(自身を除く): 21887317508

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 313, 626, 1252, 2191, 4382, 8764, 15337, 30674, 61348, 342319, 684638, 1369276, 2396233, 4792466, 9584932, 16773631, 33547262, 67094524, 107145847, 214291694, 428583388, 750020929, 1500041858, 3000083716, 5250146503, 10500293006, 21000586012]

約数ペア:

[(1, 21000586012), (2, 10500293006), (4, 5250146503), (7, 3000083716), (14, 1500041858), (28, 750020929), (49, 428583388), (98, 214291694), (196, 107145847), (313, 67094524), (626, 33547262), (1252, 16773631), (2191, 9584932), (4382, 4792466), (8764, 2396233), (15337, 1369276), (30674, 684638), (61348, 342319)]